小升初英語(yǔ)必備基礎(chǔ)知識(shí)大匯總
小升初英語(yǔ)必備基礎(chǔ)知識(shí)大匯總
小升初的英語(yǔ)基礎(chǔ)知識(shí)點(diǎn)繁多,背誦的單詞句子段落也極度的多,這都是小學(xué)生英語(yǔ)學(xué)習(xí)當(dāng)中的難題。小編在這里整理了小升初英語(yǔ)必備基礎(chǔ)知識(shí)大匯總,希望能幫到您。
第一部分:基礎(chǔ)知識(shí)
1.字母:26個(gè)字母的大小寫
ABCDEFGHIJKLMNOPQRSTUVWXYZ
abcdefghijklmnopqrstuvwxyz
2.語(yǔ)音:元音的發(fā)音
五個(gè)元音字母:AEIOU
12個(gè)單元音:
前元音:[i:] [ɪ] /e/ [æ]
中元音:[ɜ:] [ə]
后元音:[ɑ:] [ɒ] [ɔ:] [u :] [ʊ] [ʌ]
雙元音(8個(gè))
合口雙元音(5個(gè))[ai] [ei] [au] [əu] [ɔi]
集中雙元音(3個(gè)) [iə][εə][uə]
3.詞匯:詞匯量,近反義詞
4.句子:大小寫,標(biāo)點(diǎn)符號(hào)
第二部分:語(yǔ)法知識(shí)
一.名詞:名詞單復(fù)數(shù),名詞的格
(一)名詞單復(fù)數(shù)
一般情況,直接加-s,如:book-books, bag-bags, cat-cats, bed-beds
以s. x. sh. ch結(jié)尾,加-es,如:bus-buses, box-boxes, brush-brushes, watch-watches
以“輔音字母+y”結(jié)尾,變y為i, 再加-es,如:family-families, strawberry-strawberries
以“f或fe”結(jié)尾,變f或fe為v, 再加-es,如:knife-knives
不規(guī)則名詞復(fù)數(shù):
man-men, woman-women, policeman-policemen, policewoman-policewomen, mouse-mice
child-children, foot-feet, tooth-teeth, fish-fish, people-people, Chinese-Chinese, Japanese-Japanese
不可數(shù)名詞的復(fù)數(shù)就是原型: paper, juice, water, milk, rice, tea
(二)名詞的格
有生命的東西的名詞所有格:
a) 單數(shù)后加 ’s 如: Lucy’s ruler my father’s shirt
b) 以s 結(jié)尾的復(fù)數(shù)名詞后加 ’如: his friends’ bags
c) 不以s 結(jié)尾的復(fù)數(shù)后加 ’s children’s shoes
并列名詞中,如果把 ’s加在最后一個(gè)名詞后,表示共有, 如:
Tom and Mike’s car 湯姆和邁克共有的小汽車
要表示所有物不是共有的,應(yīng)分別在并列名詞后加’s
Tom’s and Mike’s cars 湯姆和麥克各自的小汽車
(2)表示無(wú)生命東西的名詞通常用“ of +名詞”來(lái)表示所有關(guān)系:如:
a picture of the classroom a map of China
二.冠詞:不定冠詞,定冠詞種類:
(1)不定冠詞:a / an a unit / an uncle
元音開頭的可數(shù)名詞前用an :
an egg / an apple / an orange / an eraser / an answer / an ID card / an alarm clock / an actor / an actress / an e-mail / an address / an event / an example / an opera / an houran old man / an interesting book / an exciting sport / an action movie / an art lesson /
(2)定冠詞:the the egg the plane
2. 用法:
定冠詞的用法:
特指某(些)人或某(些)物: The ruler is on the desk.
復(fù)述上文提到的人或物:He has a sweater. The sweater is new.
談話雙方都知道的人或物:The boys aren’t at school.
在序數(shù)詞前: John’s birthday is February the second.
用于固定詞組中: in the morning / afternoon / evening
不用冠詞的情況:
專有名詞前:China is a big country.
名詞前有定語(yǔ):this , that , my , your , some, any , no 等:
This is my baseball.
復(fù)數(shù)名詞表示一類人和事:Monkeys can’t swim. They are teachers.
在節(jié)日,日期,月份,季節(jié)前:Today is Christmas Day. It’s Sunday.
一日三餐前:We have breakfast at 6:30.
球類 棋類運(yùn)動(dòng)前:They often play football after class. He plays chess at home.
* 但樂器前要用定冠詞:I play the guitar very well.
學(xué)科名稱前:My favorite subject is music.
在稱呼或頭銜的名詞前:This is Mr Li.
固定詞組中:at noon at night by bus
三、代詞、形容詞、副詞
代詞:人稱代詞,物主代詞
人稱代詞物主代詞
主格賓格
第一
人稱單數(shù)I(我)memy(我的)
復(fù)數(shù)we(我們)usour(我們的)
第二
人稱單數(shù)you(你)youyour(你的)
復(fù)數(shù)you(你們)youyour(你們的)
第三
人稱單數(shù)he(他)himhis(他的)
she(她)herher(她的)
it(它)itits(它的)
復(fù)數(shù)they(他們/她們/它們)themtheir(他們的/她們的/它們的)
形容詞,副詞:比較級(jí),最高級(jí)
(一)、形容詞的比較級(jí)
1、形容詞比較級(jí)在句子中的運(yùn)用:兩個(gè)事物或人的比較用比較級(jí),比較級(jí)后面一般帶有單詞than。比較級(jí)前面可以用more, a little來(lái)修飾表示程度。than后的人稱代詞用主格(口語(yǔ)中可用賓格)。
2.形容詞加er的規(guī)則:
一般在詞尾加er ;
以字母e 結(jié)尾,加r ;
以一個(gè)元音字母和一個(gè)輔音字母結(jié)尾,應(yīng)雙寫末尾的輔音字母,再加er ;
以“輔音字母+y”結(jié)尾,先把y變i,再加er 。
3.不規(guī)則形容詞比較級(jí):
good-better, beautiful-more beautiful
(二)副詞的比較級(jí)
1.形容詞與副詞的區(qū)別(有be用形,有形用be;有動(dòng)用副,有副用動(dòng))
?、旁诰渥又行稳菰~一般處于名詞之前或be動(dòng)詞之后
?、聘痹~在句子中最常見的是處于實(shí)義動(dòng)詞之后
2.副詞比較級(jí)的變化規(guī)則基本與形容詞比較級(jí)相同(不規(guī)則變化:well-better, far-farther)
四、數(shù)詞:基數(shù)詞、序數(shù)詞
(1)1-20
one,two,three,four,five,six,seven,eight,nine,ten,eleven,twelve,thirteen,fourteen,fifteen, sixteen,seventeen,eighteen,nineteen,twenty
(2)21-99 先說(shuō)“幾十”,再說(shuō)“幾”,中間加連字符。
23→twenty-three,34→thirty-four,45→forty—five,56→fifty-six,67→sixty-seven,78→seventy-eight,89→eighty-nine,91→ninety-one
(3)101—999先說(shuō)“幾百”,再加and,再加末兩位數(shù)或末位數(shù);
586→five hundred and eighty-six,803→eight hundred and three
(4)l,000以上,先從右往左數(shù),每三位數(shù)加一個(gè)“,”,第一個(gè)“,”前為thousand.第二個(gè)“,”前為million,第三個(gè)“,”前為billion
1,001→one thousand and one
18,423→eighteen thousand,four hundred and twenty-three
6,260,309→six million two hundred and sixty thousand three hundred and nine
750,000,000,000→seven hundred and fifty billion
序數(shù)詞
(1)一般在基數(shù)詞后加th
eg.four→fourth,thirteen→thirteenth
(2)不規(guī)則變化
one→first,two→second,three→third,five→fifth,eight→eighth,nine→ninth,twelve—twelfth
(3)以y結(jié)尾的十位整數(shù),變y為ie再加th
twenty→twentieth, forty→fortieth, ninety→ninetieth
(4)從二十一后的“幾十幾”直至“幾百幾十幾”或“幾千幾百幾十幾”只將個(gè)位的基數(shù)詞變?yōu)樾驍?shù)詞。
twenty-first,two hundred and forty-fifth
基數(shù)詞轉(zhuǎn)為序數(shù)詞的口訣:
基變序,有規(guī)律,詞尾加上-th.
一,二,三,特殊記,詞尾字母t,d,d.
八去t,九去e, ve要用f替。
ty將y變成i,th前面有個(gè)e.
若是碰到幾十幾,前用基來(lái)后用序。
五、介詞:常用介詞:in, on, at, behind等
1.at表示時(shí)間概念的某一個(gè)點(diǎn)。(在某時(shí)刻、時(shí)間、階段等)。
at 1:00(dawn,midnight,noon)在一點(diǎn)鐘(黎明、午夜、中午)
2.on
1)表示具體日期。
注:(1)關(guān)于"在周末"的幾種表示法:
at(on)the weekend?在周末---特指
at(on)weekends?在周末---泛指
over the weekend?在整個(gè)周末
during the weekend?在周末期間
(2)在圣誕節(jié),應(yīng)說(shuō)at Christmas?而不說(shuō)on Christmas?
2)在(剛……)的時(shí)候。
On reaching the city he called up his parents.
一到城里他就給父母打了一個(gè)電話。
3.in
1)表示"時(shí)段"、"時(shí)期",在多數(shù)情況下可以和during互換,前者強(qiáng)調(diào)對(duì)比,后者強(qiáng)調(diào)持續(xù)。 in(during)1988(December,the 20th century)在一九八八年(十二月、二十世紀(jì))
六、動(dòng)詞:動(dòng)詞的四種時(shí)態(tài):
(1)一般現(xiàn)在時(shí):
一般現(xiàn)在時(shí)的構(gòu)成
1. be動(dòng)詞:主語(yǔ)+be(am, is, are)+其它。如: I am a boy. 我是一個(gè)男孩。
2. 行為動(dòng)詞:主語(yǔ)+行為動(dòng)詞(+其它)。 如: We study English. 我們學(xué)習(xí)英語(yǔ)。
當(dāng)主語(yǔ)為第三人稱單數(shù)(he, she, it)時(shí),要在動(dòng)詞后加"-s"或"-es"。如:Mary likes Chinese.瑪麗喜歡漢語(yǔ)。
動(dòng)詞+s的變化規(guī)則
1.一般情況下,直接加-s,如:cook-cooks, milk-milks
2.以s. x. sh. ch. o結(jié)尾,加-es,如:guess-guesses, wash-washes, watch-watches, go-goes
3.以“輔音字母+y”結(jié)尾,變y為i, 再加-es,如:study-studies
(2)一般過去時(shí):
動(dòng)詞過去式詳解 動(dòng)詞的過去式的構(gòu)成規(guī)則有:
A、規(guī)則動(dòng)詞
① 一般直接在動(dòng)詞的后面加ed:如 worked , learned , cleaned , visited
?、?以e結(jié)尾的動(dòng)詞直接加d:如 lived , danced , used
?、?以輔音字母加y結(jié)尾的動(dòng)詞要改y為i再加ed(此類動(dòng)詞較少)如 study – studied carry – carried worry – worried (注意play、stay不是輔音字母加y,所以不屬于此類)
?、?雙寫最后一個(gè)字母(此類動(dòng)詞較少)如 stopped
B、不規(guī)則動(dòng)詞(此類詞并無(wú)規(guī)則,須熟記)小學(xué)階段要記住以下動(dòng)詞的原形和過去式:
sing – sang , eat – ate ,
see – saw , have – had , do – did , go – went , take – took , buy – bought , get – got , read – read ,fly – flew , am/is – was ,
are – were , say – said , leave – left , swim – swam , tell – told , draw – drew , come – came , lose – lost , find – found , drink – drank , hurt – hurt , feel – felt
(3)一般將來(lái)時(shí):
基本結(jié)構(gòu):
①be going to + do;
?、趙ill+ do. be going to = will
I am going to go swimming tomorrow(明天). = I will go swimming tomorrow.
(4)現(xiàn)在進(jìn)行時(shí): am,is,are+動(dòng)詞現(xiàn)在分詞
動(dòng)詞現(xiàn)在分詞詳解 動(dòng)詞的ing形式的構(gòu)成規(guī)則:
① 一般的直接在后面加上ing , 如doing , going , working , singing , eating
② 以e 結(jié)尾的動(dòng)詞,要先去e再加ing ,如having , writing
?、?雙寫最后一個(gè)字母的(此類動(dòng)詞極少)有:running , swimming , sitting , getting
第三部分:句法
1.陳述句
(1)肯定句:是指用肯定的語(yǔ)氣來(lái)陳述的句子,如:
I’m a student. She is a doctor. He works in a hospital.
There are four fans in our classroom. He will eat lunch at 12:00. I watched TV yesterday evening.
(2)、否定句:含有否定詞或表示否定意義詞的句子,如:
I’m not a student. She is not (isn’t) a doctor.
He does not (doesn’t) work in a hospital. There are not (aren’t) four fans in our classroom.
He will not (won’t) eat lunch at 12:00. I did not (didn’t) watch TV yesterday evening.
2. 疑問句
一般疑問句:是指詢問事實(shí)的句子,此類句子必須用“yes”,或“no”來(lái)回答。
特殊疑問句:以特殊疑問詞(what , where , who , which , when , whose , why , how等)開頭引導(dǎo)的句子。此類句子應(yīng)該問什么就答什么,不能用“yes 、no”來(lái)回答。
3.There be句型
There be 句型與have, has的區(qū)別
1、There be 句型表示:在某地有某物(或人)
2、在there be 句型中,主語(yǔ)是單數(shù),be 動(dòng)詞用is ; 主語(yǔ)是復(fù)數(shù),be 動(dòng)詞用are ; 如有幾件物品,be 動(dòng)詞根據(jù)最*近be 動(dòng)詞的那個(gè)名詞決定。
3、there be 句型的否定句在be 動(dòng)詞后加not , 一般疑問句把be 動(dòng)詞調(diào)到句首。
4、there be句型與have(has) 的區(qū)別:there be 表示在某地有某物(或人);have(has) 表示某人擁有某物。
5、some 和any 在there be 句型中的運(yùn)用:some 用于肯定句, any 用于否定句或疑問句。
6、and 和or 在there be句型中的運(yùn)用:and 用于肯定句, or 用于否定句或疑問句。
7、針對(duì)數(shù)量提問的特殊疑問句的基本結(jié)構(gòu)是:
How many + 名詞復(fù)數(shù) + are there + 介詞短語(yǔ)?
How much + 不可數(shù)名詞 + is there + 介詞短語(yǔ)?
8、針對(duì)主語(yǔ)提問的特殊疑問句的基本結(jié)構(gòu)是:
What’s + 介詞短語(yǔ)?